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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CARTER BAGLEY MD
NPI 1538854062
Emergency Medicine in Rockford, IL

Active since April 10, 2023PECOS EnrolledAccepts Medicare Assignment
8201 E RIVERSIDE BLVD, ROCKFORD, IL 61114(815) 971-7000 Get Directions Write a Review

NPPES record last updated: September 18, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 18, 2026, Sep 3, 2026, Jun 18, 2025 and 1 more (4 updates tracked since 2023).

About Carter Bagley Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CARTER BAGLEY MD (NPI 1538854062) is an individual emergency medicine provider in Rockford, Illinois, licensed in Illinois (036178562) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS, is affiliated with Mercy Health System Corp, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1538854062
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameCARTER BAGLEYCredential: MD
Location Address8201 E RIVERSIDE BLVDRockford, IL 61114-2300
Mailing Address29624 Network PlChicago, IL 60673-1296 · (608) 756-6278
Phone(815) 971-7000
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateApril 10, 2023
Last NPPES UpdateSeptember 18, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2026
✔ NPI 1538854062 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in IL · 036178562✔ Licensed in IN · 01099311A✔ Licensed in WI · 85312
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
8201 E RIVERSIDE BLVD, Rockford, IL 61114
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Secondary Practice Locations 3

Location 11000 Mineral Point AveJanesville, WI 53548-2940 · Phone (608) 756-6868
Location 220201 Crawford AveOlympia Fields, IL 60461-1010 · Phone (708) 747-4000
Location 3N2950 State Road 67Lake Geneva, WI 53147-2655 · Phone (262) 245-0535

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Carter Bagley Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3476914250
PECOS Enrollment IDI20250626000137, I20250626000174
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare enrollment records show Carter Bagley reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rockford Health Physicians
Same address
Multi-Specialty
8201 E RIVERSIDE BLVD
Rockford, IL 61114
  • Reassigned Medicare billing, Illinois enrollment
  • 1,375 clinicians in this Medicare group
NPI 1043242886 (608) 314-2428
Mercy Harvard Hospital Inc
20 mi
Critical Access
901 GRANT ST
Harvard, IL 60033
  • Reassigned Medicare billing, Illinois enrollment
  • 382 clinicians in this Medicare group
NPI 1427001445 (815) 943-5431
Mercy Health System Corporation
25 mi
Multi-Specialty
580 N WASHINGTON ST
Janesville, WI 53548
  • Reassigned Medicare billing, Illinois and Wisconsin enrollments
  • 671 clinicians in this Medicare group
NPI 1598718603 (608) 741-7630
Freeport Regional Health Care Foundation
33 mi
Family Medicine
1036 W STEPHENSON ST
Freeport, IL 61032
  • Reassigned Medicare billing, Illinois enrollment
  • 391 clinicians in this Medicare group
NPI 1457337016 (815) 599-6000
Freeport Memorial Hospital
34 mi
General Acute Care Hospital
1045 W STEPHENSON ST
Freeport, IL 61032
  • Reassigned Medicare billing, Illinois enrollment
  • 478 clinicians in this Medicare group
NPI 1447228788 (815) 599-6000
Cep America LLC
91 mi
Emergency Medicine
4321 FIR ST
East Chicago, IN 46312
  • Reassigned Medicare billing, Indiana enrollment
  • 598 clinicians in this Medicare group
NPI 1336805563 (219) 392-1700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Health System Corp

Acute Care Hospitals · Janesville, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520066
Location1000 Mineral Point AveJanesville, WI 53548 · Rock County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BHARGAV DESAI M.D.
Neurological Surgery
8201 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 971-7000
DR. ALIX VINCENT MD
Radiology (Neuroradiology)
8201 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 971-7000
ERIN MARGARET OZMINKOWSKI
Internal Medicine
8201 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 971-6364
LAURA MADLINGER LEWIS OTD. OTR/L, CNT
Occupational Therapist
8201 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 971-7000
STEPHANIE YEAGER APN
Internal Medicine (Hospice and Palliative Medicine)
8201 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 971-5000
CAMERON JOSEPH SMITH PHARMD
Pharmacist
8201 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 971-7000
KARL E. MAGSAMEN M.D.
Radiology (Vascular & Interventional Radiology)
8201 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 971-7000
CHRISTINE NA-EUN MILLAR MD
Anesthesiology
8201 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 971-7000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Carter Bagley's NPI number?

The NPI number for Carter Bagley is 1538854062. It was assigned to this individual provider in the NPPES registry on April 10, 2023.

Where is Carter Bagley located?

Carter Bagley practices at 8201 E Riverside Blvd, Rockford, IL 61114. The listed phone number is (815) 971-7000.

What is Carter Bagley's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Carter Bagley enrolled in Medicare?

Yes. Carter Bagley is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Carter Bagley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carter Bagley reassigns Medicare benefits to 6 organizations: Rockford Health Physicians (Rockford, IL), Mercy Harvard Hospital Inc (Harvard, IL), Mercy Health System Corporation (Janesville, WI), Freeport Regional Health Care Foundation (Freeport, IL), Freeport Memorial Hospital (Freeport, IL) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carter Bagley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Carter Bagley affiliated with any hospitals?

According to CMS data, Carter Bagley is affiliated with Mercy Health System Corp.

When was this NPI record last updated?

The NPPES record for Carter Bagley was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.